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意思解释：（Fish ladder）人工修建的梯级式鱼道。
由斜坡式或阶梯式水槽组成的鱼道。槽中设许多隔板，利用隔板将水位差分成若干级，形成梯级水面跌落，隔板上设过鱼孔。也叫梯级鱼道、槽式鱼道。《南京日报》1992.9.1:“‘工程救鱼’是指修建鱼道、鱼梯、升鱼机之类的鱼类过坝…
By brae type or the fishway that cistern of type of a flight of stairs comprises. A lot of clapboard are set in groove, use clapboard to need water level cent to become a certain number of form, form stair surface to decline, fish way is set on clapboard. Also call stair fishway, groovy type fishway. Nanjing daily 1992.9.1: Ah does こ sigh throw scrupulously and respectfully does invade lament of of of Qian of of ⑸ of Qian of gate of ⒂ of make a present of of astounded of feeling ㄓ leavessing of pulse plants to flinch fear rostellum imprints
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